/*
 * Copyright 2012 Faculty of Informatics - Masaryk University.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cz.muni.fi.pa165.creatures.web;

import cz.muni.fi.pa165.creatures.dto.web.PersonDTO;
import net.sourceforge.stripes.action.ActionBeanContext;

/**
 * ActionBean context subclass for the Creature Hunting application that manages
 * where values like the logged in user are stored.
 *
 * @author smikloso
 */
public class CreatureHuntingActionBeanContext extends ActionBeanContext {

    /**
     * Gets the currently logged in user or null if no one is logged in.
     *
     * @return user who is logged in or null
     */
    public PersonDTO getUser() {
        return (PersonDTO) getRequest().getSession().getAttribute("user");
    }

    /**
     * Sets the currently logged in user.
     *
     * @param currentUser
     */
    public void setUser(PersonDTO currentUser) {
        getRequest().getSession().setAttribute("user", currentUser);
    }

    /**
     * Logs the user out by invalidation the session.
     */
    public void logout() {
        getRequest().getSession().invalidate();
    }
}
